1
a
: of or relating to the sea
marine life
marine biology
b
: of or relating to the act or practice of sailing over the sea : nautical
a marine chart
c
: of or relating to the commerce (see commerce entry 1 sense 2) of the sea : maritime
marine law
d
: depicting the sea, seashore, or ships
a marine painter
2
: of or relating to marines (see marine entry 2 sense 2)
marine barracks
1
a
: the mercantile and naval shipping of a country
b
: seagoing ships especially in relation to nationality or class
2
: one of a class of armed services personnel serving on shipboard or in close association with a naval force
specifically
: a member of the U.S. Marine Corps
3
: an executive department (as in France) having charge of naval affairs
4
: a marine picture : seascape
Examples of marine in a Sentence
Adjective
marine animals such as dolphins and whales
he loves collecting little marine creatures while at the beach
Noun
He is a former U.S. Marine.
the U.S. Army, Navy, Air Force, and Marines
Recent Examples on the Web
Roger Sands, Forbes.com, 25 Apr. 2025
Most visitors opt to snorkel or scuba dive the reefs and see their associated marine life, but landlubbers can stay dry with a glass-bottom boat tour.
—Skye Sherman, Southern Living, 25 Apr. 2025
Brendan Rascius, Miami Herald, 24 Apr. 2025
Green Berets are training alongside Mexico’s elite marine infantry units in conventional and nonconventional combat techniques.
—Risa Brooks, Foreign Affairs, 8 Apr. 2025
See All Example Sentences for marine
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
The marine park stretches over 3000km (1800 miles) almost parallel to the Queensland coast, from near the southern coastal town of Bundaberg, the central reef, and up past the northern tip of Cape York.
—Roger Sands, Forbes.com, 25 Apr. 2025
Most visitors opt to snorkel or scuba dive the reefs and see their associated marine life, but landlubbers can stay dry with a glass-bottom boat tour.
—Skye Sherman, Southern Living, 25 Apr. 2025
Noun
The twin sightings are a positive sign, indicating the health of the park’s marine ecosystem, the release said.
—Brendan Rascius, Miami Herald, 24 Apr. 2025
Green Berets are training alongside Mexico’s elite marine infantry units in conventional and nonconventional combat techniques.
—Risa Brooks, Foreign Affairs, 8 Apr. 2025
See All Example Sentences for marine
Cite this Entry
“Marine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marine. Accessed 2 May. 2025.
Copy CitationKids Definition
marine
2 of 2 noun1
: the commercial and naval shipping of a country
2
: one of a class of soldiers serving aboard ship or in association with a naval force
especially
: a member of the U.S. Marine Corps
Love words? Need even more definitions?
Merriam-Webster unabridged
Share